创建一个文件lib/tasks/.为main_seed_file.rake新文件命名.将代码粘贴到下面main_seed_file.rake.
desc "Run all files in db/seeds directory"
namespace :db do
task seeds: :environment do
Dir[File.join(Rails.root, 'db', 'seeds', '*.rb')].each do |filename|
puts "seeding - #{filename}"
load(filename)
end
end
end
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现在执行此操作 rake db:seeds
干杯!